Sunan Abi Dawud

Narrated Aisha, Ummul Mu'minin: The aunt of Umarah ibn Umayr asked Aisha: I have an orphan in my guardianship. May I enjoy from his property? She said: The Messenger of Allah (ﷺ) said: The pleasantest things a man enjoys come from what he earns, and his child comes from what he earns